WFO Denver/Boulder

                   NATIONAL WEATHER SERVICE - DENVER, COLORADO
               MONTHLY TEMPERATURE, RAINFALL, AND SNOWFALL EXTREMES
                                   FOR OCTOBER

10 WARMEST OCTS           10 WETTEST OCTS           10 SNOWIEST OCTS
  (1873-2013)               (1872-2013)               (1882-2013)

 59.9   1950               4.17   1969               31.2   1969
 57.9   1963               3.92   1892               22.7   1906
 57.8   1934               3.72   1942               22.1   1997  **
 57.4   1933               3.50   1923               17.8   1923
 57.0   1947               3.47   1984               17.2   2009
 56.4   1875               3.05   1914               16.4   1897
 56.0   1921               3.03   2007               16.2   1929
 55.9   1938, 1956         2.84   1947               14.0   1889
 55.8   1940               2.62   1957               13.8   1905
 55.4   1910               2.46   1959, 1960         13.6   1908

10 COLDEST OCTS           10 DRIEST OCTS            LEAST SNOWIEST OCTS
  (1873-2013)               (1872-2013)                 (1882-2013)

 39.0   1969                 T    1934                0.0   1886, 1894, 1907,
 42.9   2009               0.01   1933                      1924, 1933, 1934,
 43.3   1925               0.05   1944, 1962                1940, 1944, 1950,
 43.9   2002               0.06   1948, 1954, 1988          1962, 1965, 1988,
 44.3   1923               0.08   2001, 2003                1998, 2003
 44.8   1984               0.10   1980                 T    1882, 1888, 1891,
 45.9   1970               0.12   1876, 1938, 1950          1902, 1909, 1918,
 46.3   1877               0.17   1907                      1927, 1931, 1948,
 46.4   1913, 1919         0.18   1952, 1964                1964, 1983, 1987,
 46.6   1905               0.19   1879, 1894, 1927          1994, 2008

- Temperatures in degrees Fahrenheit.

- Precipitation and Snowfall amounts in inches.

- Average October Temperature is 50.9 degrees (from 1981-2010 DIA data).

- Average October Precipitation is 1.02 inches (from 1981-2010 DIA data).

- Average October Snowfall is 4.0 inches (from 1981-2010 DEN data).

- Data collected at the Downtown City Office from 1872-December 1949, then
  at the Stapleton Airport Office from January 1950-February 1995, then at
  Denver International Airport from March 1995-Present.

** - 22.1 INCHES OF SNOW FELL DURING THE BLIZZARD OF 1997 BETWEEN OCTOBER        
     24-25TH.  19.1 INCHES FELL IN A 24 HOUR PERIOD WHICH IS A RECORD FOR
     24 HOUR SNOWFALL FOR OCTOBER.  OCTOBER 1997 BECAME THE 3RD SNOWIEST         
     OCTOBER IN DENVER HISTORY.


UPDATED: 12/5/2013 WFO BOU

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